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基于变径-变压塔的甲醇/氯仿二元共沸物精馏分离过程热集成与动态控制

Release time:2023-10-19| Hits:

Key Words:共沸物;变径塔;变压蒸馏;热集成;动态控制

Abstract:研究了基于变径-变压塔(VDC-PSD)联合处理二元共沸物甲醇-氯仿分离过程的热集成,基于Aspen dynamics对动态控制方案进行了仿真验证,并通过改进控制结构实现了对进料流量和进料组成在±20%扰动下的自动控制;在没有增加控制难度的情况下,带有热集成的VDC-PSD可以实现热量的综合利用,提高PSD的经济性。

Volume:v.50;No.347

Issue:01

Translation or Not:no

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